Williams, Erik
Current rating: 1573
Record: 20-16-2
| Grand Prix Vancouver 2014 (THS standard) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 104 | Corrie, Christopher (1518) | Lost 1-2 | -191567 |
| 3standard | 204 | Fornace, Chris (1499) | Lost 0-2 | -201547 |
| 4standard | 349 | Egashira, Kenji (1674) | Won 2-1 | +211568 |
| 5standard | 215 | Ford, Jason (1808) | Won 2-1 | +221590 |
| 6standard | 146 | Neigel, Barrett (1638) | Lost 1-2 | -171573 |
| top | average opponent: 1627record: 2-3 | new rating: 1573 | ||
| Grand Prix Portland 2013 (modern) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 8 | Henry, Isaak (1500) | Draw 1-1 | -11591 |
| 2modern | 206 | Olson, Larry (1500) | Draw 1-1 | -21589 |
| 3modern | 320 | Black, Justin (1500) | Won 2-0 | +161605 |
| 4modern | 309 | Cain, Toby (1525) | Lost 0-2 | -191586 |
| top | average opponent: 1506record: 1-1-2 | new rating: 1586 | ||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 233 | Yablon, Lance m (1500) | Won 2-1 | +171579 |
| 3sealed | 170 | Chandler, Kyle (1518) | Won 2-0 | +171596 |
| 4sealed | 23 | Judson, Jordan (1536) | Lost 1-2 | -191577 |
| 5sealed | 238 | Inaba, Ryan (1518) | Lost 0-2 | -191558 |
| 6sealed | 303 | Greene, Mason (1500) | Won 2-1 | +161574 |
| 7sealed | 181 | Greaves, Jim (1481) | Won 2-1 | +171591 |
| 8sealed | 157 | Ferry, Sergio (1704) | Lost 0-2 | -161575 |
| 9sealed | 131 | Fujimoto, Corey (1543) | Won 2-1 | +171592 |
| top | average opponent: 1538record: 5-3 | new rating: 1592 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 481 | Clifton, Doug (1500) | Lost 0-2 | -191494 |
| 2sealed | 474 | Miller, Christopher (1473) | Won 2-0 | +181512 |
| 3sealed | 270 | Ngo, Miles (1500) | Won 2-1 | +181530 |
| 4sealed | 167 | Brown, Jacob (1524) | Won 2-0 | +181548 |
| 5sealed | 140 | Moser, Ron (1554) | Won 2-1 | +181566 |
| 6sealed | 117 | Spreadborough, Dean G (1553) | Won 2-1 | +171583 |
| 7sealed | 78 | Prost, Andrejs (1627) | Lost 0-2 | -171566 |
| 8sealed | 108 | Thompson, Noel (1554) | Won 2-1 | +181584 |
| 9sealed | 101 | McCune, Colin (1554) | Won 2-1 | +181602 |
| 10sealed | 69 | Dickman, Philip (1573) | Lost 0-2 | -191583 |
| 11draft | 56 | Cunningham, Max (1553) | Won 2-1 | +171600 |
| 12draft | 47 | Wiltsey, Wardon (1563) | Lost 0-2 | -181582 |
| 14draft | 17 | Gibson, Jamal (1554) | Won 2-1 | +171599 |
| 15draft | 13 | Young, Nick w (1602) | Lost 1-2 | -181581 |
| 16draft | 50 | Cunningham, Max (1506) | Lost 1-2 | -191562 |
| top | average opponent: 1546record: 9-6 | new rating: 1562 | ||
| Grand Prix Oakland 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 49 | Hubbard, Joseph (1538) | Won 2-1 | +191519 |
| 5extended | 6 | Woo, Travis (1705) | Lost 1-2 | -151504 |
| 6extended | 93 | Weeden, Eric (1598) | Lost 1-2 | -161488 |
| 7extended | 112 | Aimer, Dallas J (1568) | Won 1-0 | +191507 |
| 8extended | 86 | Ramos, Jorge E (1512) | Won 2-0 | +181525 |
| 9extended | 58 | Stark, Ben S (1821) | Lost 1-2 | -121513 |
| top | average opponent: 1624record: 3-3 | new rating: 1513 | ||